Our chemistry teacher often reduces a compound to its components in lab.

在实验室中化学老师常把化合为各种成。

Water is a compound of hydrogen and oxygen.

水是氢和氧的化合。

In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

首次发展了蓝光高效双光子荧光化合。

This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

本文综述了光气下游精细化学品的开发及生产进展,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化合。

The biocidal effect of the two biocides on sulfate reducing bsctcria was evaluated.

结果表明，两个化合具有很好的杀生效果。

Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.

二苯并呋喃(DF)是研究二英类化合生降的模化合之一。

Secoiridoid compounds are important marked compounds in Olea L.,in particular,oleuropein has some pharmacological activities definitely.

裂环烯醚萜类化合是木樨榄属植标记性化合,尤其是橄榄苦苷具有重要的药理活性。

Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.

固相反应合成了新型丙二腈类化合。

METHODS The title compound was synthesized from phthalimide by oxidation with sodium hypochlorite.

方法以邻苯二甲酰亚胺为原料经次氯酸钠氧化合成目标化合。

The stereostructure can be predicted from the rotatory direction for simple compounds(for example S,R-Noscapine).

对于较简单的化合,通过旋光方向可以推断其立体结(例如S,R那可汀)。

Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...

优化结、新的鬼臼毒素类化合资源替代品,已成为当前进一步研究的主要方向。

Four new triazol organic phosphorus compounds with the general formula(I) have been prepared.

合成了四种标题化合，探讨了其合成方法。

The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.

研究了以2（3H）-苯并唑酮为端基、具有酰脲结的非环多醚化合的质谱。

The structure shows a distorted trigonal bipyramidal configuration with five-coordinations to a central tin atom.

结果表明,化合中锡原子呈五配位畸变三角双锥型。

Athletes usually eat a high carbohydrate diet.

运动员通常吃高碳水化合食。

For the apolar compounds, the derivatization was not necessary.

对于非极性化合，不一定要进行这样的衍生化。

Five Schiff bases were prepared from piperonal and diamines by condensation reaction.

合成新的双-胡椒醛缩二胺类席夫碱化合。

Some of the theoretical analyses concerning the compound is given,wethink benzofuroxan cyclics have truly aromaticity.

对其结作了理论析和实验鉴定，认为该化合具有杂芳结。

Objective To separate flavonol and flavanonol by the column chromatography of polyamide.

目的采用聚酰胺柱色谱离黄酮醇与二氢黄酮醇类化合。

The chromogenic responding ability increases as the substituent changes from phenyl to naphthyl or anthryl.

实验结果表明，偶氮基团的引入改善了8-羟基喹啉的生色能力，并且在乙腈溶液中随着取代基由苯基变为萘基和蒽基时，化合的吸收光谱发生红移。